Emergency shelter for underground installation



FIG. 1 is a bottom plan view of the ornamental design for an emergency shelter for underground installation.

FIG. 2 is a top plan view of the design.

FIG. 3 is a side elevational view of the design taken from one side of the design. A view taken from the opposite side of the design would be the mirror image of this view.

FIG. 4 is a rear elevational view of the design.

FIG. 5 is a front elevational view of the design. 

The ornamental design for an emergency shelter for underground installation, substantially as shown and described. 